Home / 115,081.87-158,770-114,904.47

Finding the Fourth Proportional to 115,081.87, 158,770 and 114,904.47

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Solution

The fourth proportional to 115,081.87, 158,770 and 114,904.47 is: 158,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,081.87 : 158,770 = 114,904.47 : x
  2. Step 2: Convert to fraction form
    115,081.87/158,770 = 114,904.47/x
  3. Step 3: Cross multiply
    115,081.87x = 158,770 × 114,904.47
  4. Step 4: Simplify right side
    115,081.87x = 18,243,382,701.90
  5. Step 5: Solve for x
    x = 18,243,382,701.90/115,081.87
  6. Step 6: Final answer
    x = 158,525.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.